{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{5}{c}}
\toprule
            &\multicolumn{1}{c}{\shortstack{Expenditures,\\ t+1}}&\multicolumn{1}{c}{\shortstack{Contributions,\\ t+1}}&\multicolumn{1}{c}{\shortstack{Manifesto originality,\\ t+1}}&\multicolumn{1}{c}{\shortstack{First person,\\ t+1}}&\multicolumn{1}{c}{\shortstack{Past tense,\\ t+1}}\\\cmidrule(lr){2-2}\cmidrule(lr){3-3}\cmidrule(lr){4-4}\cmidrule(lr){5-5}\cmidrule(lr){6-6}
            &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         &\multicolumn{1}{c}{(5)}         \\
\midrule
Upper bound &   10579.803\sym{***}&   11676.458\sym{***}&       0.527\sym{***}&       0.304\sym{***}&       0.990\sym{***}\\
            &   (916.121)         &  (1148.496)         &     (0.122)         &     (0.037)         &     (0.093)         \\
\addlinespace
Lower bound &     459.623         &     719.414         &       0.190\sym{**} &       0.084\sym{***}&       0.364\sym{***}\\
            &   (438.909)         &   (479.825)         &     (0.095)         &     (0.031)         &     (0.071)         \\
\midrule
Bootstrap replications&          10         &          10         &          10         &          10         &          10         \\
Mean, left of threshold&   19046.601         &   20264.168         &       0.148         &       0.410         &       1.979         \\
\bottomrule
\end{tabular}
}
